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Showing posts with label VM. Show all posts
Showing posts with label VM. Show all posts
Saturday, August 16, 2025

Understanding NUMA: Its Impact on VM Performance in ESXi

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VMware ESXi hosts use Non-Uniform Memory Access (NUMA) architecture to optimize CPU and memory locality. Each NUMA node consists of a subset...
Saturday, January 18, 2025

VMware PowerCLI 101 - part12 - Get uptime and boot time of ESXi nodes and VMs

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You can use the following PowerCLI commandlets to get the uptime and boot time of ESXi hosts and VMs. Get ESXi boot time. > Get-Cluster |...
Sunday, June 23, 2024

vSphere with Tanzu using NSX-T - Part31 - Troubleshooting inaccessible TKC with expired control plane certs

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In the course of managing multiple Tanzu Kubernetes Clusters (TKC), I encountered an unexpected issue: the control plane certificates had ex...
Saturday, May 25, 2024

vSphere with Tanzu using NSX-T - Part30 - Troubleshooting inaccessible TKC with server pool members missing in the LB VS

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Encountering issues with connectivity to your TKC apiserver/ control plane can be frustrating. One common problem we've seen is the kube...
Saturday, December 10, 2022

vSphere with Tanzu using NSX-T - Part21 - Pointers while upgrading the stack

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Here are some pointers. The main workflow while upgrading the entire stack is: upgrade NSX-T upgrade vCenter server upgrade ESXi nodes upgr...
Saturday, December 11, 2021

ESXi in a HA cluster fails to Enter Maintenance Mode and gets stuck

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Recently we came across a situation where when we try to put a ESXi host in Maintenance Mode, it is getting stuck at certain level. These ES...
Friday, December 20, 2019

VMware PowerCLI 101 - part6 - vSphere networking

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Networking is one of the important factors for ensuring service availability. Incorrect network configurations will lead to the unavailabi...
Friday, June 7, 2019

VMware PowerCLI 101 - Part3 - Basic VM operations

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Previous posts of this blog series talked about how to install PowerCLI, connecting to ESXi host and basics of working with the vCenter ser...
Friday, May 24, 2019

VMware PowerCLI 101 - Part2 - Working with vCenter server

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In my previous blog , we discussed how to install PowerCLI module and connect to a stand-alone ESXi host. Now let's start with connectin...
Saturday, November 17, 2018

Real time VMware VM resource monitoring using PowerShell

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This post is about monitoring resource usage of a list of virtual machines hosted on VMware ESXi clusters using PowerCLI. O utput format is ...
Monday, January 29, 2018

PowerCLI to remove orphaned VM from inventory

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Recently I came across a situation where one of the VM running on ESXi 6.0 was orphaned. This happened after I updated the ESXi with a patch...